Finding the Fourth Proportional to 19,718,607.07, 27,211,689.29 and 11,016,779.68
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Solution
The fourth proportional to 19,718,607.07, 27,211,689.29 and 11,016,779.68 is: 15,203,162.40
Step by Step Solution
- Step 1: Write the proportion equation
19,718,607.07 : 27,211,689.29 = 11,016,779.68 : x - Step 2: Convert to fraction form
19,718,607.07/27,211,689.29 = 11,016,779.68/x - Step 3: Cross multiply
19,718,607.07x = 27,211,689.29 × 11,016,779.68 - Step 4: Simplify right side
19,718,607.07x = 299,785,185,628,545.62 - Step 5: Solve for x
x = 299,785,185,628,545.62/19,718,607.07 - Step 6: Final answer
x = 15,203,162.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.